Page 738 of 872
738 5-1. Essential information
SIENNA_OM_OM45483U_(U)
Towing with a sling-type truckDo not tow with a sling type truck
to prevent body damage.
Towing with a wheel-lift type truckFrom the front (2WD models) Release the parking brake.
Page 739 of 872
5
When trouble arises
739
5-1. Essential information
SIENNA_OM_OM45483U_(U)
From the front (AWD models)
Use a towing dolly under the rear
wheels.
From the rear Use a towing dolly under the
front wheels.
Using a flatbed truck
If you use chains or cables to tie
down your vehicle, the angles
shaded in black must be 45.
Do not overly tighten the tie
downs or the vehicle may be
damaged.
Page 740 of 872

740 5-1. Essential information
SIENNA_OM_OM45483U_(U)
NOTICE
■To prevent body damage when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■ To prevent causing serious damage to the transaxle and Active Torque
Control 4WD system (AWD models) wh en towing using a wheel-lift type
truck
■ To prevent damaging the vehicle wh en towing using a wheel-lift type
truck
When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.
■ Recreational towing (beh ind motor home, etc.)
Never dinghy tow your vehicle to prevent causing serious damage to the
Active Torque Control 4WD system (AWD models) and transaxle. ( P. 393)
2WD models: Never tow this vehicle from
the rear with the front wheels on the
ground. This may cause serious damage
to the transaxle. If towing from the rear,
use a towing dolly.
AWD models: Never tow this vehicle with
any of the wheels on the ground. This
may cause serious damage to the tran-
saxle and Active Torque Control 4WD
system. Use a towing dolly.
ITN51N007
ITN51N008
Page 768 of 872
768 5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)Firmly tighten each wheel nut
two or three times in the order
shown in the
illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
Stow the flat tire, tire jack and all tools.
Stowing the flat tire
Remove clasps and strap.
Place tire standing up in rear tub,
after putting the tire in the tire
bag.
STEP4
STEP5
STEP1
STEP2
Page 774 of 872

774 5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
CAUTION
■Replacing a flat tire for vehicles with power sliding door and/or
power back door
In cases such as when re placing tires, make sure to turn off the power
sliding door main switch ( P. 70) and/or the power back door main
switch ( P. 84). Failure to do so may cause the sliding door and/or the
back door to operate unintentionally if the power sliding door switch and/
or the power back door switch is ac cidentally touched, resulting in hands
and fingers being caught and injured.
■When stowing the flat tire
●Make sure the third seats ar e in their original position.
●Secure it using a tire strap. Otherwis e, the flat tire may fly out in case
of sudden braking or an accident, resulting in death or serious injury.
NOTICE
■When loosening or tightening the spare tire clamp bolt
Do not use an impact wrench. Use the adapter socket and jack handle.
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the
wheel beyond repair.
■Be careful when driving over bumps with the compact spare tire
installed on the vehicle
The vehicle becomes lower when driving with the compact spare tire
compared to when drivin g with standard tires. Be careful when driving
over uneven road surfaces.
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775
5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
NOTICE
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving
performance.
■When replacing the tires
When removing or fitting the wheels, tires or the tire pressure warning
valve and transmitter, contact your
Toyota dealer as the tire pressure
warning valve and transmitter may be damaged if not handled correctly.
■To avoid damage to the tire pressure warning valves and transmit-
ters
When a tire is repaired with liquid sealants, the tire pressure warning
valve and transmitter may not operate properly. If a liquid sealant is
used, contact your Toyota dealer or other qualified service shop as soon
as possible. Make sure to replace the tire pressure warning valve and
transmitter when replacing the tire. ( P. 690)
■After taking out or stowing the spare tire
Make sure to secure the tire carrier by tightening the clamp bolt to pre-
vent the holding bracket from hitting the under body of the vehicle during
driving.
■Using the tire carrier
●As the tire carrier is designed fo r use with the compact spare tire, it
cannot be used with standard tires.
●If the spare tire is flat, do not use th e tire carrier, as the tire may not be
held securely.
Page 784 of 872
784
5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
If the batter y is discharged
The following procedures may be used to start the engine if the vehi-
cle’s battery is discharged.
You can call your Toyota dealer or qualified repair shop.
If you have a set of jumper (or boo ster) cables and a second vehi-
cle with a 12-volt battery, you can jump start your vehicle by follow-
ing the steps below.
Open the hood. ( P. 669)
Remove the engine cover.
Lift the edge of the cover to
fixed pins, and then pull the
cover towards you to remove.
STEP1
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789
5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
NOTICE
■
When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fans or belt.
■ To prevent damage to the engine cover
●When removing the cover, make sure that you pull the cover towards you
after lifting the front edge to remove the fixed pins.
● When installing the cover, do not force the cover or subject it to strong
shocks.